 /*******************************************************************************
  * Copyright (c) 2004, 2006 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
  * http://www.eclipse.org/legal/epl-v10.html
  *
  * Contributors:
  * IBM Corporation - initial API and implementation
  *******************************************************************************/
 package org.eclipse.ui.internal.dnd;

 import org.eclipse.swt.graphics.Point;
 import org.eclipse.swt.graphics.Rectangle;
 import org.eclipse.swt.widgets.Control;

 /**
  * Implementers of this interface will receive notifications when objects are dragged over
  * a particular SWT control.
  */
 public interface IDragOverListener {

     /**
      * Notifies the receiver that the given object has been dragged over
      * the given position. Returns a drop target if the object may be
      * dropped in this position. Returns null otherwise.
      *
      * @param draggedObject object being dragged over this location
      * @param position location of the cursor
      * @param dragRectangle current drag rectangle (may be an empty rectangle if none)
      * @return a valid drop target or null if none
      */
     IDropTarget drag(Control currentControl, Object draggedObject,
             Point position, Rectangle dragRectangle);
 }

